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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "osl/process.h"
21 :
22 : #include <limits.h>
23 : #include <pthread.h>
24 : #include <stdlib.h>
25 : #include <string.h>
26 :
27 : #include "osl/diagnose.h"
28 : #include "osl/file.h"
29 : #include "osl/module.h"
30 : #include "osl/thread.h"
31 : #include "rtl/ustring.hxx"
32 : #include "rtl/strbuf.h"
33 :
34 : #include "file_path_helper.h"
35 :
36 : #include "uunxapi.h"
37 : #include "getexecutablefile.hxx"
38 : #include "nlsupport.h"
39 :
40 : #ifdef ANDROID
41 : #include <osl/detail/android-bootstrap.h>
42 : #endif
43 :
44 : #if defined(MACOSX) || defined(IOS)
45 : #include <mach-o/dyld.h>
46 :
47 : oslProcessError SAL_CALL osl_bootstrap_getExecutableFile_Impl (
48 : rtl_uString ** ppFileURL
49 : ) SAL_THROW_EXTERN_C()
50 : {
51 : oslProcessError result = osl_Process_E_NotFound;
52 :
53 : char buffer[PATH_MAX];
54 : size_t buflen = sizeof(buffer);
55 :
56 : if (_NSGetExecutablePath (buffer, (uint32_t*)&buflen) == 0)
57 : {
58 : /* Determine absolute path. */
59 : char abspath[PATH_MAX];
60 : if (realpath (buffer, abspath) != 0)
61 : {
62 : /* Convert from utf8 to unicode. */
63 : rtl_uString * pAbsPath = 0;
64 : rtl_string2UString (
65 : &(pAbsPath),
66 : abspath, rtl_str_getLength (abspath),
67 : RTL_TEXTENCODING_UTF8,
68 : OSTRING_TO_OUSTRING_CVTFLAGS);
69 :
70 : if (pAbsPath)
71 : {
72 : /* Convert from path to url. */
73 : if (osl_getFileURLFromSystemPath (pAbsPath, ppFileURL) == osl_File_E_None)
74 : {
75 : /* Success. */
76 : result = osl_Process_E_None;
77 : }
78 : rtl_uString_release (pAbsPath);
79 : }
80 : }
81 : }
82 :
83 : return (result);
84 : }
85 :
86 : #else
87 : #include <dlfcn.h>
88 :
89 459 : oslProcessError SAL_CALL osl_bootstrap_getExecutableFile_Impl (
90 : rtl_uString ** ppFileURL
91 : ) SAL_THROW_EXTERN_C()
92 : {
93 459 : oslProcessError result = osl_Process_E_NotFound;
94 :
95 : #ifdef ANDROID
96 : /* Now with just a single DSO, this one from lo-bootstrap.c is as good as
97 : * any */
98 : void * addr = dlsym (RTLD_DEFAULT, "JNI_OnLoad");
99 : #else
100 : /* Determine address of "main()" function. */
101 459 : void * addr = dlsym (RTLD_DEFAULT, "main");
102 : #endif
103 459 : if (addr != 0)
104 : {
105 : /* Determine module URL. */
106 1 : if (osl_getModuleURLFromAddress (addr, ppFileURL))
107 : {
108 : /* Success. */
109 1 : result = osl_Process_E_None;
110 : }
111 : }
112 :
113 : /* Fallback to ordinary osl_getExecutableFile(). */
114 459 : if (result == osl_Process_E_NotFound)
115 458 : result = osl_getExecutableFile (ppFileURL);
116 :
117 459 : return (result);
118 : }
119 :
120 : #endif
121 :
122 : /***************************************
123 : CommandArgs_Impl.
124 : **************************************/
125 : struct CommandArgs_Impl
126 : {
127 : pthread_mutex_t m_mutex;
128 : sal_uInt32 m_nCount;
129 : rtl_uString ** m_ppArgs;
130 : };
131 :
132 : static struct CommandArgs_Impl g_command_args =
133 : {
134 : PTHREAD_MUTEX_INITIALIZER,
135 : 0,
136 : 0
137 : };
138 :
139 : /***************************************
140 : osl_getExecutableFile().
141 : **************************************/
142 1219 : oslProcessError SAL_CALL osl_getExecutableFile (rtl_uString ** ppustrFile)
143 : {
144 1219 : oslProcessError result = osl_Process_E_NotFound;
145 :
146 1219 : pthread_mutex_lock (&(g_command_args.m_mutex));
147 : OSL_ASSERT(g_command_args.m_nCount > 0);
148 1219 : if (g_command_args.m_nCount > 0)
149 : {
150 : /* CommandArgs set. Obtain argv[0]. */
151 1219 : rtl_uString_assign (ppustrFile, g_command_args.m_ppArgs[0]);
152 1219 : result = osl_Process_E_None;
153 : }
154 1219 : pthread_mutex_unlock (&(g_command_args.m_mutex));
155 :
156 1219 : return (result);
157 : }
158 :
159 : /***************************************
160 : osl_getCommandArgCount().
161 : **************************************/
162 1769 : sal_uInt32 SAL_CALL osl_getCommandArgCount (void)
163 : {
164 1769 : sal_uInt32 result = 0;
165 :
166 1769 : pthread_mutex_lock (&(g_command_args.m_mutex));
167 : assert (g_command_args.m_nCount != 0);
168 1769 : if (g_command_args.m_nCount > 0)
169 1769 : result = g_command_args.m_nCount - 1;
170 1769 : pthread_mutex_unlock (&(g_command_args.m_mutex));
171 :
172 1769 : return (result);
173 : }
174 :
175 : /***************************************
176 : osl_getCommandArg().
177 : **************************************/
178 9902 : oslProcessError SAL_CALL osl_getCommandArg (sal_uInt32 nArg, rtl_uString ** strCommandArg)
179 : {
180 9902 : oslProcessError result = osl_Process_E_NotFound;
181 :
182 9902 : pthread_mutex_lock (&(g_command_args.m_mutex));
183 : OSL_ASSERT(g_command_args.m_nCount > 0);
184 9902 : if (g_command_args.m_nCount > (nArg + 1))
185 : {
186 9902 : rtl_uString_assign (strCommandArg, g_command_args.m_ppArgs[nArg + 1]);
187 9902 : result = osl_Process_E_None;
188 : }
189 9902 : pthread_mutex_unlock (&(g_command_args.m_mutex));
190 :
191 9902 : return (result);
192 : }
193 :
194 : /***************************************
195 : osl_setCommandArgs().
196 : **************************************/
197 1746 : void SAL_CALL osl_setCommandArgs (int argc, char ** argv)
198 : {
199 : // special case for argc == 0: set up fake command line
200 1746 : int nArgs(argc ? argc : 1);
201 1746 : pthread_mutex_lock (&(g_command_args.m_mutex));
202 : assert (g_command_args.m_nCount == 0);
203 1746 : if (g_command_args.m_nCount == 0)
204 : {
205 : rtl_uString** ppArgs =
206 1746 : (rtl_uString**)rtl_allocateZeroMemory(nArgs * sizeof(rtl_uString*));
207 1746 : if (ppArgs != 0 && argc == 0)
208 : {
209 : // special case: set up fake command line
210 : char const*const arg =
211 1 : "this is just a fake and cheap imitation of a command line";
212 : rtl_string2UString(&ppArgs[0],
213 : arg, rtl_str_getLength(arg), RTL_TEXTENCODING_ASCII_US,
214 1 : OSTRING_TO_OUSTRING_CVTFLAGS);
215 1 : g_command_args.m_nCount = nArgs;
216 1 : g_command_args.m_ppArgs = ppArgs;
217 : }
218 1745 : else if (ppArgs != 0)
219 : {
220 1745 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
221 11321 : for (int i = 0; i < argc; i++)
222 : {
223 : rtl_string2UString (
224 : &(ppArgs[i]),
225 19152 : argv[i], rtl_str_getLength (argv[i]), encoding,
226 28728 : OSTRING_TO_OUSTRING_CVTFLAGS);
227 : }
228 1745 : if (ppArgs[0] != 0)
229 : {
230 : #if !defined(ANDROID) && !defined(IOS) // No use searching PATH on Android or iOS
231 : /* see @ osl_getExecutableFile(). */
232 1745 : if (rtl_ustr_indexOfChar (rtl_uString_getStr(ppArgs[0]), '/') == -1)
233 : {
234 0 : const rtl::OUString PATH ("PATH");
235 :
236 0 : rtl_uString * pSearchPath = 0;
237 0 : osl_getEnvironment (PATH.pData, &pSearchPath);
238 0 : if (pSearchPath)
239 : {
240 0 : rtl_uString * pSearchResult = 0;
241 0 : osl_searchPath (ppArgs[0], pSearchPath, &pSearchResult);
242 0 : if (pSearchResult)
243 : {
244 0 : rtl_uString_assign (&(ppArgs[0]), pSearchResult);
245 0 : rtl_uString_release (pSearchResult);
246 : }
247 0 : rtl_uString_release (pSearchPath);
248 0 : }
249 : }
250 : #endif
251 1745 : rtl_uString * pArg0 = 0;
252 1745 : if (realpath_u (ppArgs[0], &pArg0))
253 : {
254 1745 : osl_getFileURLFromSystemPath (pArg0, &(ppArgs[0]));
255 1745 : rtl_uString_release (pArg0);
256 : }
257 : }
258 1745 : g_command_args.m_nCount = argc;
259 1745 : g_command_args.m_ppArgs = ppArgs;
260 : }
261 : }
262 1746 : pthread_mutex_unlock (&(g_command_args.m_mutex));
263 1746 : }
264 :
265 : /***************************************
266 : osl_getEnvironment().
267 : **************************************/
268 65367 : oslProcessError SAL_CALL osl_getEnvironment(rtl_uString* pustrEnvVar, rtl_uString** ppustrValue)
269 : {
270 65367 : oslProcessError result = osl_Process_E_NotFound;
271 65367 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
272 65367 : rtl_String* pstr_env_var = 0;
273 :
274 : OSL_PRECOND(pustrEnvVar, "osl_getEnvironment(): Invalid parameter");
275 : OSL_PRECOND(ppustrValue, "osl_getEnvironment(): Invalid parameter");
276 :
277 : rtl_uString2String(
278 : &pstr_env_var,
279 65367 : rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
280 130734 : OUSTRING_TO_OSTRING_CVTFLAGS);
281 65367 : if (pstr_env_var != 0)
282 : {
283 65367 : const char* p_env_var = getenv (rtl_string_getStr (pstr_env_var));
284 65367 : if (p_env_var != 0)
285 : {
286 : rtl_string2UString(
287 : ppustrValue,
288 123 : p_env_var, strlen(p_env_var), encoding,
289 246 : OSTRING_TO_OUSTRING_CVTFLAGS);
290 : OSL_ASSERT(*ppustrValue != NULL);
291 :
292 123 : result = osl_Process_E_None;
293 : }
294 65367 : rtl_string_release(pstr_env_var);
295 : }
296 :
297 65367 : return (result);
298 : }
299 :
300 : /***************************************
301 : osl_setEnvironment().
302 : **************************************/
303 319 : oslProcessError SAL_CALL osl_setEnvironment(rtl_uString* pustrEnvVar, rtl_uString* pustrValue)
304 : {
305 319 : oslProcessError result = osl_Process_E_Unknown;
306 319 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
307 319 : rtl_String* pstr_env_var = 0;
308 319 : rtl_String* pstr_val = 0;
309 :
310 : OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
311 : OSL_PRECOND(pustrValue, "osl_setEnvironment(): Invalid parameter");
312 :
313 : rtl_uString2String(
314 : &pstr_env_var,
315 319 : rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
316 638 : OUSTRING_TO_OSTRING_CVTFLAGS);
317 :
318 : rtl_uString2String(
319 : &pstr_val,
320 319 : rtl_uString_getStr(pustrValue), rtl_uString_getLength(pustrValue), encoding,
321 638 : OUSTRING_TO_OSTRING_CVTFLAGS);
322 :
323 319 : if (pstr_env_var != 0 && pstr_val != 0)
324 : {
325 : #if defined (SOLARIS)
326 : rtl_String * pBuffer = NULL;
327 :
328 : sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
329 : rtl_string_getLength(pstr_env_var) + rtl_string_getLength(pstr_val) + 1,
330 : pstr_env_var );
331 : rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
332 : rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length,
333 : rtl_string_getStr(pstr_val), rtl_string_getLength(pstr_val) );
334 :
335 : rtl_string_acquire(pBuffer); // argument to putenv must leak on success
336 :
337 : if (putenv(rtl_string_getStr(pBuffer)) == 0)
338 : result = osl_Process_E_None;
339 : else
340 : rtl_string_release(pBuffer);
341 : #else
342 319 : if (setenv(rtl_string_getStr(pstr_env_var), rtl_string_getStr(pstr_val), 1) == 0)
343 319 : result = osl_Process_E_None;
344 : #endif
345 : }
346 :
347 319 : if (pstr_val)
348 319 : rtl_string_release(pstr_val);
349 :
350 319 : if (pstr_env_var != 0)
351 319 : rtl_string_release(pstr_env_var);
352 :
353 319 : return (result);
354 : }
355 :
356 : /***************************************
357 : osl_clearEnvironment().
358 : **************************************/
359 0 : oslProcessError SAL_CALL osl_clearEnvironment(rtl_uString* pustrEnvVar)
360 : {
361 0 : oslProcessError result = osl_Process_E_Unknown;
362 0 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
363 0 : rtl_String* pstr_env_var = 0;
364 :
365 : OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
366 :
367 : rtl_uString2String(
368 : &pstr_env_var,
369 0 : rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
370 0 : OUSTRING_TO_OSTRING_CVTFLAGS);
371 :
372 0 : if (pstr_env_var)
373 : {
374 : #if defined (SOLARIS)
375 : rtl_String * pBuffer = NULL;
376 :
377 : sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
378 : rtl_string_getLength(pstr_env_var) + 1, pstr_env_var );
379 : rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
380 :
381 : rtl_string_acquire(pBuffer); // argument to putenv must leak on success
382 :
383 : if (putenv(rtl_string_getStr(pBuffer)) == 0)
384 : result = osl_Process_E_None;
385 : else
386 : rtl_string_release(pBuffer);
387 : #elif (defined(MACOSX) || defined(NETBSD) || defined(FREEBSD))
388 : //MacOSX baseline is 10.4, which has an old-school void return
389 : //for unsetenv.
390 : //See: http://developer.apple.com/mac/library/documentation/Darwin/Reference/ManPages/10.4/man3/unsetenv.3.html?useVersion=10.4
391 : unsetenv(rtl_string_getStr(pstr_env_var));
392 : result = osl_Process_E_None;
393 : #else
394 0 : if (unsetenv(rtl_string_getStr(pstr_env_var)) == 0)
395 0 : result = osl_Process_E_None;
396 : #endif
397 0 : rtl_string_release(pstr_env_var);
398 : }
399 :
400 0 : return (result);
401 : }
402 :
403 : /***************************************
404 : osl_getProcessWorkingDir().
405 : **************************************/
406 36787 : oslProcessError SAL_CALL osl_getProcessWorkingDir(rtl_uString **ppustrWorkingDir)
407 : {
408 36787 : oslProcessError result = osl_Process_E_Unknown;
409 : char buffer[PATH_MAX];
410 :
411 : OSL_PRECOND(ppustrWorkingDir, "osl_getProcessWorkingDir(): Invalid parameter");
412 :
413 36787 : if (getcwd (buffer, sizeof(buffer)) != 0)
414 : {
415 36787 : rtl_uString* ustrTmp = 0;
416 :
417 : rtl_string2UString(
418 : &ustrTmp,
419 73574 : buffer, strlen(buffer), osl_getThreadTextEncoding(),
420 73574 : OSTRING_TO_OUSTRING_CVTFLAGS);
421 36787 : if (ustrTmp != 0)
422 : {
423 36787 : if (osl_getFileURLFromSystemPath (ustrTmp, ppustrWorkingDir) == osl_File_E_None)
424 36787 : result = osl_Process_E_None;
425 36787 : rtl_uString_release (ustrTmp);
426 : }
427 : }
428 :
429 36787 : return (result);
430 : }
431 :
432 : /******************************************************************************
433 : *
434 : * new functions to set/return the current process locale
435 : *
436 : *****************************************************************************/
437 :
438 : struct ProcessLocale_Impl
439 : {
440 : pthread_mutex_t m_mutex;
441 : rtl_Locale * m_pLocale;
442 : };
443 :
444 : static struct ProcessLocale_Impl g_process_locale =
445 : {
446 : PTHREAD_MUTEX_INITIALIZER,
447 : 0
448 : };
449 :
450 : /**********************************************
451 : osl_getProcessLocale().
452 : *********************************************/
453 1922 : oslProcessError SAL_CALL osl_getProcessLocale( rtl_Locale ** ppLocale )
454 : {
455 1922 : oslProcessError result = osl_Process_E_Unknown;
456 : OSL_PRECOND(ppLocale, "osl_getProcessLocale(): Invalid parameter.");
457 1922 : if (ppLocale)
458 : {
459 1922 : pthread_mutex_lock(&(g_process_locale.m_mutex));
460 :
461 1922 : if (g_process_locale.m_pLocale == 0)
462 1785 : _imp_getProcessLocale (&(g_process_locale.m_pLocale));
463 1922 : *ppLocale = g_process_locale.m_pLocale;
464 1922 : result = osl_Process_E_None;
465 :
466 1922 : pthread_mutex_unlock (&(g_process_locale.m_mutex));
467 : }
468 1922 : return (result);
469 : }
470 :
471 : /**********************************************
472 : osl_setProcessLocale().
473 : *********************************************/
474 0 : oslProcessError SAL_CALL osl_setProcessLocale( rtl_Locale * pLocale )
475 : {
476 0 : oslProcessError result = osl_Process_E_Unknown;
477 :
478 : OSL_PRECOND(pLocale, "osl_setProcessLocale(): Invalid parameter.");
479 :
480 0 : pthread_mutex_lock(&(g_process_locale.m_mutex));
481 0 : if (_imp_setProcessLocale (pLocale) == 0)
482 : {
483 0 : g_process_locale.m_pLocale = pLocale;
484 0 : result = osl_Process_E_None;
485 : }
486 0 : pthread_mutex_unlock (&(g_process_locale.m_mutex));
487 :
488 0 : return (result);
489 : }
490 :
491 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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